OEX Alternator 12V 140A Valeo Style VXA053

The OEX Alternator VXA053 is a 12V, 140A unit in Valeo style, supplied new and specified with an internal regulator. It suits applications that require the Valeo pattern alternator with a 6 groove pulley, quad leg mount, and IR139 pin code.

This alternator is listed under OEX rotating electrical products and carries the part number VXA053. Key physical and electrical details include 61mm inside mounting legs, an M8x1.25/8 pivot hole diameter, and a 49mm pulley outside diameter, all of which are worth checking against the existing unit before ordering.

OEX positions this alternator range as an aftermarket replacement option backed by quality control and ISO9001 certified factories. Warranty cover is listed as 3 years for passenger use and 1 year for commercial use, so it is important to match the part number and application details carefully before fitment.

Key Features

• 12V alternator with 140A output
• Valeo style unit
• New replacement alternator
• Internal regulator
• 6 groove pulley
• Quad leg alternator mount

Specifications

• Brand: OEX
• Product type: Alternator
• Voltage: 12V
• Power rating: 140A
• New / Reman.: New
• Suits unit make: Valeo
• Regulator type: Internal
• Pulley section: 6 groove

Fitment guidance

• Fitment data supplied includes Audi A3 and A7 applications.
• Fitment data supplied includes Citroën DS3 applications.
• Fitment data supplied includes Infiniti M applications.
• Fitment data supplied includes Mercedes-Benz SL applications.
• Fitment data supplied includes Skoda Octavia and Skoda Superb applications.
• Fitment data supplied includes Volkswagen Amarok applications.

Application and Buying Notes

Before buying, compare the existing alternator details against the key identifiers here: VXA053, 12V, 140A, IR139, Valeo style, and the quad leg mount. These are the most practical checkpoints when matching a replacement alternator, especially where the vehicle may have more than one charging system variant.

The mounting dimensions matter just as much as the electrical rating. This unit is listed with 61mm inside mounting legs, an M8x1.25/8 pivot hole diameter, a 49mm pulley outside diameter, and a 6 groove pulley, so the physical layout should be checked against the removed part rather than relying on appearance alone.

The 140A output indicates the alternator’s rated charging capacity, but the correct fit still depends on the application and unit style. If the vehicle was originally fitted with a Valeo pattern alternator, the pulley section, regulator type, and mount style should all line up before installation.

For purchasing confidence, use the part number and the application details together. The listing shows support for selected Audi, Citroën, Infiniti, Mercedes-Benz, Skoda, and Volkswagen applications, but the safest approach is to confirm the vehicle against the existing alternator specification and not just the make or model name.

Because this is a new alternator, it should be assessed as a direct replacement candidate only where the physical configuration matches. The listed weight is 7kg, which can also help when comparing packaged parts or confirming that the correct unit has been supplied before the job goes ahead.

Before supply, the safest approach is to confirm the original unit details against the listed part number, voltage, output rating, mounting arrangement, and pulley configuration. That checking process is standard practice in the parts trade because visually similar units can still differ in service-critical ways.

For workshop, fleet, and equipment applications, accurate identification of part number VXA053 helps avoid unnecessary freight, additional labour, and vehicle or machine downtime. Where the application is not straightforward, the original unit, OEM reference, or workshop records should be used as the primary confirmation point.

Relevant published details for this unit include Type ALTERNATOR, Unit of Measure EACH, Warranty 3yr Passenger 1yr Commercial, Pin Code IR139, Power Rating (Amp) 140, Pulley Section 6 Groove, Suits Unit Make Valeo, Alternator Mount Quad Leg, New / Reman. New.

Additional published details for cross-checking include Product Group 2 ALTERNATORS, Part No. VXA053, Brand OEX, Description OEX Alternator 12V 140A Valeo Style, Inside Mounting Legs 61mm, Pivot Hole Diameter M8x1.25/8, Pulley Outside Diameter 49mm, Regulator Type Internal, Voltage 12, Item Type Alternator.

OEX Alternator 12V 140A Valeo Style. Part number VXA053 should be checked first. Listed voltage is 12. Listed output rating is 140. These details form the core reference points used by parts interpreters when confirming the correct replacement.

Mount style is Quad Leg. Regulator type is Internal. Pulley configuration is 6 Groove. Those physical and electrical details should line up with the original unit before the replacement is approved for fitment.

For part number VXA053, the normal identification sequence is part number, electrical rating, mounting arrangement, connector or terminal style, and pulley or drive details. Using those checkpoints helps confirm that the listed unit matches the service requirement rather than only looking similar.

Compatibility note: Confirm fitment by matching the part number VXA053, the Valeo style configuration, and the listed mounting and pulley details against the vehicle application and the original alternator before purchase or installation.

FAQ

What is the part number for this alternator?

The part number listed is VXA053. For this listing, part number VXA053 is the main reference point. Listed voltage is 12. Listed output rating is 140. Published fitment references include AUDI A3, AUDI A3 2003, AUDI A3 2004. These details should still be checked against the original unit before ordering.

What voltage and output does it have?

It is a 12V alternator with a 140A power rating. For this listing, part number VXA053 is the main reference point. Listed voltage is 12. Listed output rating is 140. Published fitment references include AUDI A3, AUDI A3 2003, AUDI A3 2004. These details should still be checked against the original unit before ordering.

Is this alternator new or remanufactured?

It is listed as new. For this listing, part number VXA053 is the main reference point. Listed voltage is 12. Listed output rating is 140. Published fitment references include AUDI A3, AUDI A3 2003, AUDI A3 2004. These details should still be checked against the original unit before ordering.

What regulator type does it use?

It uses an internal regulator. For this listing, part number VXA053 is the main reference point. Listed voltage is 12. Listed output rating is 140. Published fitment references include AUDI A3, AUDI A3 2003, AUDI A3 2004. These details should still be checked against the original unit before ordering.

What pulley and mount style are listed?

It has a 6 groove pulley and a quad leg alternator mount. For this listing, part number VXA053 is the main reference point. Listed voltage is 12. Listed output rating is 140. Published fitment references include AUDI A3, AUDI A3 2003, AUDI A3 2004. These details should still be checked against the original unit before ordering.

What warranty is shown?

The warranty listed is 3 years for passenger use and 1 year for commercial use. For this listing, part number VXA053 is the main reference point. Listed voltage is 12. Listed output rating is 140. Published fitment references include AUDI A3, AUDI A3 2003, AUDI A3 2004. These details should still be checked against the original unit before ordering.